Home / 208,176.18-287,134.95-143,670.06

Finding the Fourth Proportional to 208,176.18, 287,134.95 and 143,670.06

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Solution

The fourth proportional to 208,176.18, 287,134.95 and 143,670.06 is: 198,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,176.18 : 287,134.95 = 143,670.06 : x
  2. Step 2: Convert to fraction form
    208,176.18/287,134.95 = 143,670.06/x
  3. Step 3: Cross multiply
    208,176.18x = 287,134.95 × 143,670.06
  4. Step 4: Simplify right side
    208,176.18x = 41,252,695,494.60
  5. Step 5: Solve for x
    x = 41,252,695,494.60/208,176.18
  6. Step 6: Final answer
    x = 198,162.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.